Method and apparatus for compressing and decompressing a higher order ambisonics signal representation
US-12245012-B2 · Mar 4, 2025 · US
using three or more audio channels, e.g. triphonic or quadraphonic
using three or more audio channels, e.g. triphonic or quadraphonic · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H04H20/89 |
| Official title | using three or more audio channels, e.g. triphonic or quadraphonic |
| Display label | using three or more audio channels, e.g. triphonic or quadraphonic |
| Total patents | 67 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 7 |
| 2016 | 15 |
| 2017 | 6 |
| 2018 | 5 |
| 2019 | 7 |
| 2020 | 5 |
| 2021 | 2 |
| 2022 | 5 |
| 2023 | 5 |
| 2024 | 2 |
| 2025 | 6 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method and apparatus for compressing and decompressing a higher order ambisonics signal representation
US-2024147173-A1 · May 2, 2024 · US
Multi-lobe digital microphone enabled audio capture and spatialization for generating an immersive arena based audio experience
US-2024007688-A1 · Jan 4, 2024 · US
Robust broadcast via relayed retransmission
US-2023344535-A1 · Oct 26, 2023 · US
Method and apparatus for compressing and decompressing a higher order Ambisonics signal representation
US-11792591-B2 · Oct 17, 2023 · US
Robust broadcast via relayed retransmission
US-11695487-B2 · Jul 4, 2023 · US
Method and apparatus for compressing and decompressing a higher order ambisonics representation for a sound field
US-2023179940-A1 · Jun 8, 2023 · US
Method and apparatus for compressing and decompressing a higher order ambisonics representation for a sound field
US-11546712-B2 · Jan 3, 2023 · US
Robust broadcast via relayed retransmission
US-2022200716-A1 · Jun 23, 2022 · US
Method and apparatus for compressing and decompressing a higher order ambisonics representation for a sound field
US-2022159399-A1 · May 19, 2022 · US
Method and apparatus for compressing and decompressing a higher order ambisonics signal representation
US-2022103960-A1 · Mar 31, 2022 · US
Method and apparatus for sound object following
US-11277702-B2 · Mar 15, 2022 · US
Method and apparatus for compressing and decompressing a Higher Order Ambisonics signal representation
US-11234091-B2 · Jan 25, 2022 · US
Method and apparatus for compressing and decompressing a higher order ambisonics representation for a sound field
US-11184730-B2 · Nov 23, 2021 · US
Electronic apparatus, control method thereof and computer program product using the same
US-10972849-B2 · Apr 6, 2021 · US
Method and apparatus for compressing and decompressing a higher order ambisonics representation for a sound field
US-2020296531-A1 · Sep 17, 2020 · US
Method and apparatus for sound object following
US-2020288256-A1 · Sep 10, 2020 · US
Method and apparatus for sound object following
US-2020288255-A1 · Sep 10, 2020 · US
Broadcast transmitting apparatus and broadcast transmitting method for providing an object-based audio, and broadcast playback apparatus and broadcast playback method
US-10657978-B2 · May 19, 2020 · US
Method and apparatus for compressing and decompressing a higher order ambisonics representation for a sound field
US-10609501-B2 · Mar 31, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H04H20/89?
- CPC H04H20/89 is the Cooperative Patent Classification code for “using three or more audio channels, e.g. triphonic or quadraphonic.”
- How many patents are filed under CPC H04H20/89 (using three or more audio channels, e.g. triphonic or quadraphonic)?
- Our database includes 67 publications tagged with this CPC code.
- Is patent activity under CPC H04H20/89 growing?
- Publication counts under this code: 2 in 2024 vs 6 in 2025 (latest complete years).